Game.LambdaHack.Common.Area

Rectangular areas of levels and their basic operations.

Documentation

data Area

The type of areas. The bottom left and the top right points.

Instances

Eq Area

Defined in Game.LambdaHack.Common.Area

Methods

(==) :: Area -> Area -> Bool

(/=) :: Area -> Area -> Bool

Show Area

Defined in Game.LambdaHack.Common.Area

Methods

showsPrec :: Int -> Area -> ShowS

show :: Area -> String

showList :: [Area] -> ShowS

Binary Area

Defined in Game.LambdaHack.Common.Area

Methods

put :: Area -> Put

get :: Get Area

putList :: [Area] -> Put

toArea :: (X, Y, X, Y) -> Maybe Area

Checks if it's an area with at least one field.

fromArea :: Area -> (X, Y, X, Y)

spanArea :: Area -> (Point, X, Y)

trivialArea :: Point -> Area

isTrivialArea :: Area -> Bool

inside :: Point -> Area -> Bool

Checks that a point belongs to an area.

shrink :: Area -> Maybe Area

Shrink the given area on all fours sides by the amount.

expand :: Area -> Area

middlePoint :: Area -> Point

areaInnerBorder :: Area -> [Point]

sumAreas :: Area -> Area -> Area

punindex :: X -> Int -> Point